The San Francisco Marathon is a series of USATF certified road running events held each June, July or August in San Francisco that include a full marathon, two half marathons, and a 5K. Except for in 1988, the marathon has been held annually since 1977. The current marathon course forms a loop that starts and finishes on the Embarcadero near the Ferry Building. The course runs past many notable landmarks in San Francisco including Fisherman's Wharf, Aquatic Park, the Golden Gate Bridge, Golden Gate Park, and AT&T Park. (2009 host Dean Karnazes, at the 2008 Napa Valley Marathon, pictured)